Nancy Duarte is the CEO of Duarte, Inc. She teaches workshops on the art of presenting and is the author of two award-winning books: Slide:ology and Resonate. Bryan A. Garner is a leading authority on writing, grammar, usage, and style. He is the author of many books on writing, including the best-selling reference work Garner’s Modern American Usage. He is also editor in chief of the world’s most frequently cited lawbook, Black’s Law Dictionary. Karen Dillon is a coauthor of the New York Times bestseller How Will You Measure Your Life? (with Clayton M. Christensen and James Allworth). She is the former editor of Harvard Business Review and is now a contributing editor.